Uplifted the Httpclient version from 4.5.6 to 4.5.13 (#485)

Co-authored-by: Rishav Kumar B <rishav.b.kumar@ericsson.com>

Author: iamrishavkumar

pom.xml

@@ -258,7 +258,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.6</version>
+            <version>4.5.13</version>
         </dependency>
 
         <dependency>